<?php
namespace App\Components;
use Log;
/**
 * 阿里工具类（短信，钉钉报警等）
 * @author puppet
 * 2018.10.09
 */
class AliTools{
  private static $access_key_id = 'LTAIVPRjkWSafH08';
  private static $access_key_secret = '3V0lVa8xxSMvPJRSbks7XmfW6Uy5tu';
  private static $sign_name = '校长邦';
  private static $template_code = 'SMS_57345164';   //验证码
  public static $sms_code = [
    'vip_expire' => 'SMS_187540195',      //会员还有15天到期通知
  ];

  public static function sendSms($mobile, $content = '',$strTemplateCode = '', $isNeedReplaceTemplateParam = true, $arrTemplateParam = array()){
      Log::info("in: mobile = $mobile, content = $content".", ".__FILE__.", ".__FUNCTION__.", ".__LINE__);
      $params = array ();
      // *** 需用户填写部分 ***
      // fixme 必填: 请参阅 https://ak-console.aliyun.com/ 取得您的AK信息
      $accessKeyId        = self::$access_key_id;
      $accessKeySecret    = self::$access_key_secret;

      // fixme 必填: 短信接收号码
      $params["PhoneNumbers"] = $mobile;

      // fixme 必填: 短信签名，应严格按"签名名称"填写，请参考: https://dysms.console.aliyun.com/dysms.htm#/develop/sign
      $params["SignName"] = self::$sign_name;

      // fixme 必填: 短信模板Code，应严格按"模板CODE"填写, 请参考: https://dysms.console.aliyun.com/dysms.htm#/develop/template
      $params["TemplateCode"] = !empty($strTemplateCode) ? $strTemplateCode : self::$template_code;

      // fixme 可选: 设置模板参数, 假如模板中存在变量需要替换则为必填项
      if($isNeedReplaceTemplateParam){
//            $params['TemplateParam'] = Array (
//                "code"      => $content,
//                "product"   => ""
//            );
        $params['TemplateParam'] = $arrTemplateParam;
      }
      // fixme 可选: 设置发送短信流水号
      //$params['OutId'] = "12345";

      // fixme 可选: 上行短信扩展码, 扩展码字段控制在7位或以下，无特殊需求用户请忽略此字段
      //$params['SmsUpExtendCode'] = "1234567";

      // *** 需用户填写部分结束, 以下代码若无必要无需更改 ***
      if(!empty($params["TemplateParam"]) && is_array($params["TemplateParam"])) {
        $params["TemplateParam"] = json_encode($params["TemplateParam"], JSON_UNESCAPED_UNICODE);
      }
      // 初始化SignatureHelper实例用于设置参数，签名以及发送请求
      // $helper = new SignatureHelper();
      // 此处可能会抛出异常，注意catch
      try{
        $content = self::request(
          $accessKeyId,
          $accessKeySecret,
          "dysmsapi.aliyuncs.com",
          array_merge($params, array(
            "RegionId" => "cn-hangzhou",
            "Action" => "SendSms",
            "Version" => "2017-05-25",
          ))
        );
        Log::info("out: content = ".json_encode($content).", ".__FILE__.", ".__FUNCTION__.", ".__LINE__);
        return true;
      }catch (Exception $e){
        XLog::info("e = ".json_encode($e).", ".__FILE__.", ".__FUNCTION__.", ".__LINE__);
        return false;
      }
    }
    
  /**
   * 生成签名并发起请求
   *
   * @param $accessKeyId string AccessKeyId (https://ak-console.aliyun.com/)
   * @param $accessKeySecret string AccessKeySecret
   * @param $domain string API接口所在域名
   * @param $params array API具体参数
   * @param $security boolean 使用https
   * @return bool|\stdClass 返回API接口调用结果，当发生错误时返回false
   */
  public static function request($accessKeyId, $accessKeySecret, $domain, $params, $security=false) {
    $apiParams = array_merge(array (
      "SignatureMethod" => "HMAC-SHA1",
      "SignatureNonce" => uniqid(mt_rand(0,0xffff), true),
      "SignatureVersion" => "1.0",
      "AccessKeyId" => $accessKeyId,
      "Timestamp" => gmdate("Y-m-d\TH:i:s\Z"),
      "Format" => "JSON",
    ), $params);
    ksort($apiParams);
    $sortedQueryStringTmp = "";
    foreach ($apiParams as $key => $value) {
      $sortedQueryStringTmp .= "&" . self::encode($key) . "=" . self::encode($value);
    }
    $stringToSign = "GET&%2F&" . self::encode(substr($sortedQueryStringTmp, 1));
    $sign = base64_encode(hash_hmac("sha1", $stringToSign, $accessKeySecret . "&",true));
    $signature = self::encode($sign);
    $url = ($security ? 'https' : 'http')."://{$domain}/?Signature={$signature}{$sortedQueryStringTmp}";
    try {
      $content = self::fetchContent($url);
      return json_decode($content);
    } catch( \Exception $e) {
      return false;
    }
  }

  private static function encode($str){
    $res = urlencode($str);
    $res = preg_replace("/\+/", "%20", $res);
    $res = preg_replace("/\*/", "%2A", $res);
    $res = preg_replace("/%7E/", "~", $res);
    return $res;
  }

  private static function fetchContent($url) {
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_TIMEOUT, 5);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
      "x-sdk-client" => "php/2.0.0"
    ));
    if(substr($url, 0,5) == 'https') {
      curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
      curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    }
    $rtn = curl_exec($ch);

    if($rtn === false) {
      trigger_error("[CURL_" . curl_errno($ch) . "]: " . curl_error($ch), E_USER_ERROR);
    }
    curl_close($ch);
    return $rtn;
  }
}